Answer: the mantle B
Explanation: Largest layer resulting in biggest mass.
The main function of the circulatory system is to move materials throughout the body, blood for cellular respiration, sugars for energy, leukocytes for immune support, and other nutrients necessary for proper homeostasis.
Answer:I think you just said the answer keep them in the order you have it
Explanation:so you just put the colors under the different waves
Answer:
Genetic variation in a group of organisms enables some organisms to survive better than others in the environment in which they live. Organisms of even a small population can differ strikingly in terms of how well suited they are for life in a certain environment.
Explanation:
Genetic variations are important because a diverse gene pool is good for long-term survival of a species since the environment is always changing, so the diversity of DNA offers the most fit of the species a better chance of surviving because they are most adapted to the constantly changing environment.
Answer:
If distinct biological species are to coexist in sympatry, they must be reproductively isolated and must exploit different limiting resources.
Explanation:
